21333200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:445

約数の個数: 120

約数和(自身を含む): 61811520

約数和(自身を除く): 40478320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 80, 95, 100, 112, 133, 140, 152, 175, 190, 200, 266, 280, 304, 350, 380, 400, 401, 475, 532, 560, 665, 700, 760, 802, 950, 1064, 1330, 1400, 1520, 1604, 1900, 2005, 2128, 2660, 2800, 2807, 3208, 3325, 3800, 4010, 5320, 5614, 6416, 6650, 7600, 7619, 8020, 10025, 10640, 11228, 13300, 14035, 15238, 16040, 20050, 22456, 26600, 28070, 30476, 32080, 38095, 40100, 44912, 53200, 53333, 56140, 60952, 70175, 76190, 80200, 106666, 112280, 121904, 140350, 152380, 160400, 190475, 213332, 224560, 266665, 280700, 304760, 380950, 426664, 533330, 561400, 609520, 761900, 853328, 1066660, 1122800, 1333325, 1523800, 2133320, 2666650, 3047600, 4266640, 5333300, 10666600, 21333200]

約数ペア:

[(1, 21333200), (2, 10666600), (4, 5333300), (5, 4266640), (7, 3047600), (8, 2666650), (10, 2133320), (14, 1523800), (16, 1333325), (19, 1122800), (20, 1066660), (25, 853328), (28, 761900), (35, 609520), (38, 561400), (40, 533330), (50, 426664), (56, 380950), (70, 304760), (76, 280700), (80, 266665), (95, 224560), (100, 213332), (112, 190475), (133, 160400), (140, 152380), (152, 140350), (175, 121904), (190, 112280), (200, 106666), (266, 80200), (280, 76190), (304, 70175), (350, 60952), (380, 56140), (400, 53333), (401, 53200), (475, 44912), (532, 40100), (560, 38095), (665, 32080), (700, 30476), (760, 28070), (802, 26600), (950, 22456), (1064, 20050), (1330, 16040), (1400, 15238), (1520, 14035), (1604, 13300), (1900, 11228), (2005, 10640), (2128, 10025), (2660, 8020), (2800, 7619), (2807, 7600), (3208, 6650), (3325, 6416), (3800, 5614), (4010, 5320)]